<template>
  <li
    :class="isInner?'active':''"
    @mouseenter="mouseChangeHandle('enter')"
    @mouseleave="mouseChangeHandle('leave')"
  >
    <label>
      <input type="checkbox" :checked="done" @click="changeListType"/>
      <span>{{ thing }}</span>
    </label>
    <button class="btn btn-danger" @click="deletecompleted">删除</button>
  </li>
</template>

<script>
export default {
  name: "List",
  props: ["id", "thing", "done"],
  data(){
    return{
      isInner:false
    }
  },
  methods: {
    mouseChangeHandle(type) {
      return this.isInner= type === "enter";
    },
    changeListType(){
      this.$emit("changeListType",this.id)
    },
    deletecompleted(){
      this.$emit("deletecompleted",this.id)
    }
  },
};
</script>

<style scoped>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}
li.active {
  background-color: #ccc;
}
li.active button {
  display:block;
}
</style>